Air Quality in Hidaka, Japan

Cloudy
22.9°C · 87.8% humidity
22.9°
Feels 22.9°
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
0 8am
0
20
50 11am
41
34
30 2pm
26
24
22 5pm
21
20
20 8pm
19
19
19 11pm
18
18
18 2am
18
18
18 5am
18
18
Station readings
20
CAMS model adj -36
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

45h · 79 stn

Hidaka's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

87.8%
Humidity
13.7 km/h
Wind SSE
1010.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
50
12.01 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Hidaka?

Temperature & Precipitation

PM2.5 Trend

45h · 79 stations
PM2.512.01 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (4 stations within 25 km)
12.01
Median
10.25
Average
6.0
Low
14.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +1.5

What is the 7-day forecast for Hidaka?

08-03
24.5° 21.1°
8.69 mm
08-04
32.0° 23.6°
0.94 mm
08-05
29.7° 23.5°
5.0 mm
08-06
28.4° 23.9°
48.37 mm
08-07
35.4° 23.2°
28.37 mm
08-08
32.3° 24.0°
54.25 mm
08-09
32.9° 20.8°
2.69 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Hidaka?

21
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
3.1 km PM2.5: 5.0 µg/m³
25
Azumacho, Iruma, Saitama, Japan (入間入間市)
9.9 km PM2.5: 6.0 µg/m³
39
Senbamachi, Kawagoe, Saitama, Japan (川越市仙波川越市)
11.8 km PM2.5: 9.4 µg/m³
19
Tokorozawa, Saitama, Japan (所沢市和ヶ原所沢市)
16.2 km PM2.5: 4.6 µg/m³
42
Tokorozawa, Saitama, Japan (所沢市和ヶ原所沢市)
16.2 km PM2.5: 10.1 µg/m³
25
Tokorozawa (所沢)
16.2 km PM2.5: 6.0 µg/m³
27
Saitama, Japan (さいたま市三橋自排さいたま市西区)
19.6 km PM2.5: 6.5 µg/m³
50
Honchō, Fussa-shi, Tōkyō-to, Japan (福生市本町福生市)
20.3 km PM2.5: 12.0 µg/m³
50
Honcho, Higashimurayama, Tokyo, Japan (新青梅街道東村山東村山市)
20.9 km PM2.5: 12.0 µg/m³
28
Kamikiyoto, Kiyose, Tokyo, Japan (清瀬市上清戸清瀬市)
21.3 km PM2.5: 6.7 µg/m³

What cities are near Hidaka?

45 Sakado 53 Morohongō 45 Tsurugashima 55 Hannō 42 Sayama 43 Igusa 47 Iruma 37 Kawagoe 51 Higashi-Matsuyama 38 Kamifukuoka
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:58 UTC.